--- loncom/homework/edit.pm 2001/07/10 22:06:42 1.17
+++ loncom/homework/edit.pm 2002/03/06 20:15:35 1.29
@@ -1,6 +1,33 @@
# The LearningOnline Network with CAPA
# edit mode helpers
+#
+# $Id: edit.pm,v 1.29 2002/03/06 20:15:35 matthew Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
# 3/20 Guy
+# 01/10/02 Matthew
+# 03/06/02 Matthew
package Apache::edit;
use strict;
@@ -21,15 +48,19 @@ sub tag_start {
my $result='';
if ($target eq "edit") {
my $tag=$token->[1];
- if (!$description) { $description="<$tag>"; }
+ if (!$description) {
+ $description=&Apache::lonxml::description($token);
+ if (!$description) { $description="<$tag>"; }
+ }
$result.= &start_table($token)."<tr><td>$description</td>
<td>Delete".
&deletelist($target,$token)
."</td>
<td>".
- &insertlist($target,$token).
- "</td>
-</tr><tr><td colspan=\"3\">\n";
+ &insertlist($target,$token).&end_row().&start_spanning_row();
+#<td>".
+# &movebuttons($target,$token).
+# "</tr><tr><td colspan=\"3\">\n";
}
return $result;
}
@@ -54,7 +85,7 @@ sub start_table {
my $tag = $token->[1];
my $tagnum;
foreach my $namespace (reverse @Apache::lonxml::namespace) {
- my $testtag=$Apache::lonxml::namespace['-1'].'::'.$tag;
+ my $testtag=$namespace.'::'.$tag;
$tagnum=$Apache::lonxml::insertlist{"$testtag.num"};
if (defined($tagnum)) { last; }
}
@@ -74,6 +105,19 @@ sub end_table {
return $result;
}
+sub start_spanning_row { return '<tr><td colspan="3">';}
+sub start_row { return '<tr><td>'; }
+sub end_row { return '</td></tr>'; }
+
+sub movebuttons {
+ my ($target,$token) = @_;
+ my $result='<input type="submit" name="moveup.'.
+ $Apache::lonxml::curdepth.'" value="Move Up" />';
+ $result.='<input type="submit" name="movedown.'.
+ $Apache::lonxml::curdepth.'" value="Move Down" />';
+ return $result;
+}
+
sub deletelist {
my ($target,$token) = @_;
my $result = "<select name=\"delete_$Apache::lonxml::curdepth\">
@@ -174,6 +218,15 @@ sub insert_responseparam {
<responseparam />';
}
+sub insert_formularesponse {
+ return '
+<formularesponse answer="" samples="">
+ <textline />
+ <hintgroup>
+ </hintgroup>
+</formularesponse>';
+}
+
sub insert_numericalresponse {
return '
<numericalresponse answer="">
@@ -183,6 +236,15 @@ sub insert_numericalresponse {
</numericalresponse>';
}
+sub insert_stringresponse {
+ return '
+<stringresponse answer="" type="">
+ <textline />
+ <hintgroup>
+ </hintgroup>
+</stringresponse>';
+}
+
sub insert_optionresponse {
return '
<optionresponse max="10">
@@ -193,22 +255,61 @@ sub insert_optionresponse {
</optionresponse>';
}
-sub editfield {
- my ($tag,$data,$description,$minwidth,$minheight)=@_;
-
+sub insert_radiobuttonresponse {
+ return '
+<radiobuttonresponse max="10">
+ <foilgroup>
+ </foilgroup>
+ <hintgroup>
+ </hintgroup>
+</radiobuttonresponse>';
+}
+
+sub insert_displayduedate { return '<displayduedate />'; }
+sub insert_displaytitle { return '<displaytitle />'; }
+sub insert_hintpart {
+ return '
+<hintpart on="default">
+ <startouttext/>
+ <endouttext />
+</hintpart>';
+}
+
+sub insert_numericalhint {
+ return '
+<numericalhint>
+</numericalhint>';
+}
+
+sub insert_startouttext {
+ return "<startouttext />\n<endouttext />";
+}
+
+sub insert_script {
+ return "\n<script type=\"loncapa/perl\">\n</script>";
+}
+
+sub textarea_sizes {
+ my ($data)=@_;
my $count=0;
my $maxlength=-1;
- map { $count++;
- if (length($_) > $maxlength) { $maxlength = length ($_); }
- } split ("\n", $data);
- if ($maxlength > 80) { $maxlength = 80; }
- if ($maxlength < $minwidth) { $maxlength = $minwidth; }
- if ( $count < $minheight) { $count = $minheight; }
- if ($description) {
- $description="<br />".$description."<br />";
- }
- return "$description\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea>\n";
-# return "<br />\n<$tag><br />\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br />\n</$tag><br />\n";
+ foreach (split ("\n", $$data)) { $count++;
+ if (length($_) > $maxlength) { $maxlength = length($_); }
+ }
+ my $rows = $count;
+ my $cols = $maxlength;
+ return ($rows,$cols);
+}
+
+sub editfield {
+ my ($tag,$data,$description,$minwidth,$minheight)=@_;
+
+ my ($rows,$cols)=&textarea_sizes(\$data);
+ if ($cols > 80) { $cols = 80; }
+ if ($cols < $minwidth ) { $cols = $minwidth; }
+ if ($rows < $minheight) { $rows = $minheight; }
+ if ($description) { $description="<br />".$description."<br />"; }
+ return "$description\n <textarea rows=\"$rows\" cols=\"$cols\" name=\"homework_edit_".$Apache::lonxml::curdepth."\">$data</textarea>\n";
}
sub modifiedfield {
@@ -220,31 +321,17 @@ sub modifiedfield {
# &Apache::lonxml::debug("I want homework_edit_$Apache::lonxml::curdepth");
# &Apache::lonxml::debug($ENV{"form.homework_edit_$Apache::lonxml::curdepth"});
$result=$ENV{"form.homework_edit_$Apache::lonxml::curdepth"};
- if (defined $token) {
- if (defined $token->[4]) {
- $result=$token->[4].$result;
- } else {
- $result=$result.$token->[2];
- }
- }
return $result;
}
-sub insert_startouttext {
- return "<startouttext />\n<endouttext />";
-}
-
-sub insert_script {
- return "\n<script type=\"loncapa/perl\">\n</script>";
-}
-
# Returns a 1 if the token has been modified and you should rebuild the tag
# side-effects, will modify the $token if new values are found
sub get_new_args {
my ($token,$parstack,$safeeval,@args)=@_;
my $rebuild=0;
foreach my $arg (@args) {
- my $value=&Apache::lonxml::get_param($arg,$parstack,$safeeval);
+ #just want the string that it was set to
+ my $value=$token->[2]->{$arg};
my $newvalue=$ENV{"form.$Apache::lonxml::curdepth.$arg"};
&Apache::lonxml::debug(" for:$arg: cur is :$value: new is :$newvalue:");
if ($value ne $newvalue) {
@@ -262,6 +349,7 @@ sub rebuild_tag {
if ($token->[0] eq 'S') {
$result = '<'.$token->[1];
while (my ($key,$val)= each(%{$token->[2]})) {
+ $val=~s:^\s+|\s+$::g;
$val=~s:"::g; #"
&Apache::lonxml::debug("setting :$key: to :$val:");
$result.=' '.$key.'="'.$val.'"';
@@ -301,9 +389,152 @@ sub select_arg {
}
$result.=$description.'<select name="'."$Apache::lonxml::curdepth.$name".'">
'.$optionlist.'
- </select></td></tr><tr><td colspan="3">';
+ </select>';
+ return $result;
+}
+
+sub select_or_text_arg {
+ my ($description,$name,$list,$token,$size) = @_;
+ my $result;
+ my $optionlist="";
+ my $found=0;
+ my $selected=$token->[2]{$name};
+ foreach my $option (@$list) {
+ if ( $selected eq $option ) {
+ $optionlist.="<option selected=\"on\">$option</option>\n";
+ $found=1;
+ } else {
+ $optionlist.="<option>$option</option>\n";
+ }
+ }
+ $optionlist.="<option value=\"TYPEDINVALUE\">Type in value</option>\n";
+ if ($found) {
+ $result.=$description.'<select name="'."$Apache::lonxml::curdepth.$name".'">
+ '.$optionlist.'
+ </select>';
+ } else {
+ $result.=&text_arg($description,$name,$token,$size);
+ }
return $result;
}
+#----------------------------------------------------- browse
+sub browse {
+ # insert a link to call up the filesystem browser (lonindexer)
+ my $form = 'lonhomework';
+ my $element = &Apache::lonnet::escape("$Apache::lonxml::curdepth.bgimg");
+ my $result = <<"ENDBUTTON";
+<a href=\"javascript:openbrowser('$form','$element')\"\>Browse</a>
+ENDBUTTON
+ return $result;
+}
+
1;
__END__
+
+=head1 NAME
+
+Apache::edit - edit mode helpers
+
+=head1 SYNOPSIS
+
+Invoked by many homework and xml related modules.
+
+ &Apache::edit::SUBROUTINENAME(ARGUMENTS);
+
+=head1 INTRODUCTION
+
+This module outputs HTML syntax helpful for the rendering of edit
+mode interfaces.
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+=head1 HANDLER SUBROUTINE
+
+There is no handler subroutine.
+
+=head1 OTHER SUBROUTINES
+
+=over 4
+
+=item *
+
+initialize_edit() : initialize edit (set colordepth to zero)
+
+=item *
+
+tag_start($target,$token,$description) : provide deletion and insertion lists
+for the manipulation of a start tag; return a scalar string
+
+=item *
+
+tag_end($target,$token,$description) : ending syntax corresponding to
+&tag_start. return a scalar string.
+
+=item *
+
+start_table($token) : start table; update colordepth; return scalar string.
+
+=item *
+
+end_table() : reduce color depth; end table; return scalar string
+
+=item *
+
+start_spanning_row() : start a new table row spanning the 'edit' environment.
+
+=item *
+
+start_row() : start a new table row and element.
+
+=item *
+
+end_row() : end current table element and row.
+
+=item *
+
+movebuttons($target,$token) : move-up and move-down buttons; return scalar
+string
+
+=item *
+
+deletelist($target,$token) : provide a yes option in an HTML select element;
+return scalar string
+
+=item *
+
+handle_delete($space,$target,$token,$tagstack,$parstack,$parser,$safeeval,
+$style) : respond to a user delete request by passing relevant stack
+and array information to various rendering functions; return a scalar string
+
+=item *
+
+get_insert_list($token) : provide an insertion list based on possibilities
+from lonxml; return a scalar string
+
+=item *
+
+insertlist($target,$token) : api that uses get_insert_list;
+return a scalar string
+
+=item *
+
+handleinsert($token) : provide an insertion list based on possibilities
+from lonxml; return a scalar string
+
+=item *
+
+get_insert_list($token) : provide an insertion list based on possibilities
+from lonxml; return a scalar string
+
+=item *
+browse($elementname) : provide a link which will open up the filesystem
+browser (lonindexer) and, once a file is selected, place the result in
+the form element $elementname.
+
+=back
+
+incomplete...
+
+=cut